package collection;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

public class SortInteger {
    public static void main(String[] args) {
        //Arrary.asList(list)
        //arr.toArray(new E[])
        List<Integer> list=new ArrayList<>();
        for (int i=0;i<10;i++){
            list.add(i);
        }
        //sort
        System.out.println("list:"+list);
        Collections.sort(list);
        System.out.println("list:sort"+list);
        //reverse
        Collections.reverse(list);
        System.out.println("list:reverse"+list);
        System.out.println("第一个元素:"+list.get(0));
    }
}
